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Deep neural networks are prone to adversarial examples that maliciously alter the network's outcome. Due to the increasing popularity of 3D sensors in safety-critical systems and the vast deployment of deep learning models for 3D point…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Itai Lang , Uriel Kotlicki , Shai Avidan

In the field of 3D point cloud generation, numerous 3D generative models have demonstrated the ability to generate diverse and realistic 3D shapes. However, the majority of these approaches struggle to generate controllable 3D point cloud…

Graphics · Computer Science 2025-09-30 Zhenyu Shu , Jiajun Shen , Zhongui Chen , Xiaoguang Han , Shiqing Xin

3D building generation with low data acquisition costs, such as single image-to-3D, becomes increasingly important. However, most of the existing single image-to-3D building creation works are restricted to those images with specific…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Yao Wei , George Vosselman , Michael Ying Yang

Conditional generative adversarial networks (cGANs) have been widely researched to generate class conditional images using a single generator. However, in the conventional cGANs techniques, it is still challenging for the generator to learn…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Min-Cheol Sagong , Yong-Goo Shin , Yoon-Jae Yeo , Seung Park , Sung-Jea Ko

Generative models have gained many researchers' attention in the last years resulting in models such as StyleGAN for human face generation or PointFlow for the 3D point cloud generation. However, by default, we cannot control its sampling…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Patryk Wielopolski , Michał Koperski , Maciej Zięba

We introduce an approach for 3D head avatar generation and editing with multi-modal conditioning based on a 3D Generative Adversarial Network (GAN) and a Latent Diffusion Model (LDM). 3D GANs can generate high-quality head avatars given a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Wamiq Reyaz Para , Abdelrahman Eldesokey , Zhenyu Li , Pradyumna Reddy , Jiankang Deng , Peter Wonka

Previous approaches to generate shapes in a 3D setting train a GAN on the latent space of an autoencoder (AE). Even though this produces convincing results, it has two major shortcomings. As the GAN is limited to reproduce the dataset the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-23 Moritz Ibing , Isaak Lim , Leif Kobbelt

Semantic shape completion is a challenging problem in 3D computer vision where the task is to generate a complete 3D shape using a partial 3D shape as input. We propose a learning-based approach to complete incomplete 3D shapes through…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Swaminathan Gurumurthy , Shubham Agrawal

We present LiDARGen, a novel, effective, and controllable generative model that produces realistic LiDAR point cloud sensory readings. Our method leverages the powerful score-matching energy-based model and formulates the point cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Vlas Zyrianov , Xiyue Zhu , Shenlong Wang

Recent improvements to Generative Adversarial Networks (GANs) have made it possible to generate realistic images in high resolution based on natural language descriptions such as image captions. Furthermore, conditional GANs allow us to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-04 Tobias Hinz , Stefan Heinrich , Stefan Wermter

Many mathematical optimization algorithms fail to sufficiently explore the solution space of high-dimensional nonlinear optimization problems due to the curse of dimensionality. This paper proposes generative models as a complement to…

Neural and Evolutionary Computing · Computer Science 2021-05-05 Pouya Rezazadeh Kalehbasti , Michael D. Lepech , Samarpreet Singh Pandher

Generative models for 2D images has recently seen tremendous progress in quality, resolution and speed as a result of the efficiency of 2D convolutional architectures. However it is difficult to extend this progress into the 3D domain since…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Hassan Abu Alhaija , Alara Dirik , André Knörig , Sanja Fidler , Maria Shugrina

We examined the feasibility of generative adversarial networks (GANs) to generate photo-realistic images from LiDAR point clouds. For this purpose, we created a dataset of point cloud image pairs and trained the GAN to predict…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Nuriel Shalom Mor

In recent years, Generative Adversarial Networks (GANs) have improved steadily towards generating increasingly impressive real-world images. It is useful to steer the image generation process for purposes such as content creation. This can…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 David Stap , Maurits Bleeker , Sarah Ibrahimi , Maartje ter Hoeve

Generative Adversarial Network (GAN) and its variants exhibit state-of-the-art performance in the class of generative models. To capture higher-dimensional distributions, the common learning procedure requires high computational complexity…

Machine Learning · Computer Science 2018-04-02 Xingwei Cao , Xuyang Zhao , Qibin Zhao

Automatic synthesis of high quality 3D shapes is an ongoing and challenging area of research. While several data-driven methods have been proposed that make use of neural networks to generate 3D shapes, none of them reach the level of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Isaak Lim , Moritz Ibing , Leif Kobbelt

In this paper, we propose in our novel generative framework the use of Generative Adversarial Networks (GANs) to generate features that provide robustness for object detection on reduced quality images. The proposed GAN-based Detection of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Charan D. Prakash , Lina J. Karam

Recently, image-to-3D approaches have significantly advanced the generation quality and speed of 3D assets based on large reconstruction models, particularly 3D Gaussian reconstruction models. Existing large 3D Gaussian models directly map…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Longfei Lu , Huachen Gao , Tao Dai , Yaohua Zha , Zhi Hou , Junta Wu , Shu-Tao Xia

Many existing conditional Generative Adversarial Networks (cGANs) are limited to conditioning on pre-defined and fixed class-level semantic labels or attributes. We propose an open set GAN architecture (OpenGAN) that is conditioned…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Luke Ditria , Benjamin J. Meyer , Tom Drummond

Recent studies that incorporate geometric features and transformers into 3D point cloud feature learning have significantly improved the performance of 3D deep-learning models. However, their robustness against adversarial attacks has not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xuelong Dai , Bin Xiao